package com.atguigu.eduservice.controller;


import com.atguigu.eduservice.entity.EduTeacher;
import com.atguigu.eduservice.entity.vo.TeacherQuery;
import com.atguigu.eduservice.service.EduTeacherService;
import com.atguigu.servicebase.exceptionhandler.GuliException;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;
import com.atguigu.commonutils.R;

import java.util.List;

/**
 * <p>
 * 讲师 前端控制器
 * </p>
 *
 * @author lanhaif
 * @since 2022-08-16
 */
@RestController
@RequestMapping("/eduservice/teacher")

public class EduTeacherController {

    @Autowired
    private EduTeacherService teacherService;

//    查询讲师表中所有数据
//    rest风格
    @GetMapping("findAll")
    public R findAllTeacher(){
        try {
            List<EduTeacher> list = teacherService.list(null);
            return R.ok().data("items",list);
        } catch (Exception e) {
            throw  new GuliException(20001,"执行自定义异常处理");
        }
    }

//    逻辑删除讲师的方法
    @DeleteMapping("{id}")
    public R removeTeacher(@PathVariable String id){
        boolean b = teacherService.removeById(id);
        if (b == true) {
            return R.ok().data("flag",b);
        }else {
            return R.error();
        }

    }

    @GetMapping("pageTeacher/{current}/{limit}")
    public R pageListTeacher(@PathVariable long current,
                             @PathVariable long limit){
        Page<EduTeacher> pageTeacher=new Page<>(current,limit);
        teacherService.page(pageTeacher,null);
        long total = pageTeacher.getTotal();
        List<EduTeacher> records = pageTeacher.getRecords();

        return R.ok().data("total",total).data("rows",records);
    }

    @PostMapping("pageTeacherCondition/{current}/{limit}")
    public R pageTeacherCondition(@PathVariable long current,
                                  @PathVariable long limit,
                                  @RequestBody(required = false) TeacherQuery teacherQuery){
        Page<EduTeacher> pageTeacher=new Page<>(current,limit);
        QueryWrapper<EduTeacher> wrapper=new QueryWrapper<>();
//        多条件查询，动态sql
        String name = teacherQuery.getName();
        Integer level = teacherQuery.getLevel();
        String begin = teacherQuery.getBegin();
        String end = teacherQuery.getEnd();
        if (!StringUtils.isEmpty(name)) {
            wrapper.like("name",name);
        }
        if (!StringUtils.isEmpty(level)) {
            wrapper.eq("level",level);
        }
        if (!StringUtils.isEmpty(begin)) {
            wrapper.gt("gmt_create",begin);
        }
        if (!StringUtils.isEmpty(end)) {
            wrapper.le("gmt_modified",end);
        }
        wrapper.orderByDesc("gmt_modified");
        teacherService.page(pageTeacher,wrapper);
        long total = pageTeacher.getTotal();
        List<EduTeacher> records = pageTeacher.getRecords();
        return R.ok().data("total" ,total).data("records",records);

    }

    @PostMapping("addTeacher")
    public R addTeacher(@RequestBody(required = false) EduTeacher eduTeacher){
        boolean save = teacherService.save(eduTeacher);
        if (save == true) {
            return R.ok();
        }else {
            return R.error();
        }

    }

    @GetMapping("getTeacher/{id}")
    public R getTeacher(@PathVariable String id){
        EduTeacher byId = teacherService.getById(id);
        return R.ok().data("teacher",byId);
    }

    @PostMapping("updateTeacher")
    public R updateTeacher(@RequestBody EduTeacher eduTeacher){
        boolean b = teacherService.updateById(eduTeacher);
        if (b == true) {
            return R.ok();
        }else {
            return R.error();
        }
    }

}

